<!DOCTYPE html>
<html>
<head>
<style>
  .box {
    width: 150px;
    height: 150px;
  }
  #parent {
    background-color: rgb(255,0,0);
  }
</style>
</head>

<body>
<!-- You should a green square with no red -->

<div id="parent" class="box">
  <embed class="box" type="application/x-webkit-test-webplugin" background-color="green" opacity="1.0">
</div>
</body>
</html>
